| FL No |
08.072 |
| In register |
Yes |
| Flavis name |
But-2-enoic acid (cis and trans) |
| Chemical group number |
03 |
| Chemical group name |
α, β-unsaturated (alkene or alkyne) straight-chain and branched-chain aliphatic primary alcohols/aldehydes/acids, acetals and esters with esters containing α, β-unsaturated alcohol and acetal containing α, β-unsaturated alcohols or aldehydes. No aromatic or heteroaromatic moiety as a component of an ester or acetal. |
| CAS No |
3724-65-0 |
| CE No |
10080 |
| JECFA N0 |
|
| FEMA No |
3908 |
| Systematic name |
|
| Synonyms |
Crotonic acid (trans) + isoCrotonic acid (cis) |
| Evaluation |
|
| Needed Tox |
|
| Remarks |
JECFA evaluated (E)-2-butenoic acid (JECFA no 1371, CASrn 107-93-7). (Z)- or (E)-isomer not specified by CASrn in Register |
| Ref short |
|
| Reference |
|
| Structure |
|